Journal of Clinical Oncology

The Journal of Clinical Oncology (JCO) is a medical journal published by the American Society of Clinical Oncology (ASCO). The Journal was founded in 1983 and publishes original research and review articles on topics relating to cancer. It is published 3 times a month. The Journal's impact factor in 2007 was 15.484, making it one of the highest-impact journals in the field of oncology.